Abstract
Twelve common buckwheat (Fagopyrum esculentum Moench) genotypes received from Hill Crops Research Program, Kabre, Dolakha were evaluated for resistance against major foliar fungal diseases and high yielding traits at the research field of National Maize Research Program, Rampur, Chitwan during winter seasons of two consecutive years 2017 and 2018. The design of the experiment was Randomized Complete Block having three replications. The unit plot size was 3m x 2m with 25cm row to row spacing and continues plant to plant spacing was maintained and net harvested plot was 6 sq meters. The experiment was planted at last week of October in both years. The recommended dose of fertilizer was 30:30:0 for N:P:K kg ha-1 respectively and seed rate 50 kg ha-1. Disease data were recorded for downy mildew (Perenospora fagopyri), powdery mildew (Erysiphepolygoni) and botrytis leaf blight (Botrytis cinerea) severity on 20 randomly tagged plants/plot. The yield and yield attributing traits were recorded. Buckwheat genotypes differed significantly (p<0.05) on disease severity, grain yield and yield attributing traits. Genotypes CBBP-01, KIF-72-22-520, GF5283, ACC#2234 and ACC#2213 were resistant to powdery mildew, downy mildew and botrytis leaf blight and also resulted in higher grain yield. Grain yield had found strong negative correlation with the fungal disease severity of buckwheat. These genotypes might be useful for the development of major foliar fungal disease resistant high yielding common buckwheat variety in inner terai region of Nepal.
 SAARC J. Agri., 18(1): 143-152 (2020)
Highlights
INTRODUCTIONCommon or sweet buckwheat (Fagopyrum esculentum Moench) and bitter buckwheat (Fagopyrum tataricum (L.) Gaertn) both belongs to family Polygonacea
Common or sweet buckwheat (Fagopyrum esculentum Moench) and bitter buckwheat (Fagopyrum tataricum (L.) Gaertn) both belongs to family Polygonacea.Accepted: 24.05.2020Globally 18 species are known to be the members of genus Fagopyrum including two cultivated species Fagopyrum esculentum and F. tataricum (Oshaki et al, 2001)
Twelve buckwheat genotypes received from Hill Crops Research Program (HCRP), Kavre, Dolakha were evaluated for sources of disease resistance and yield related traits in National Maize Research Program (NMRP), Rampur, Chitwan during winter seasons of two consecutive years 2017 and 2018
Summary
Common or sweet buckwheat (Fagopyrum esculentum Moench) and bitter buckwheat (Fagopyrum tataricum (L.) Gaertn) both belongs to family Polygonacea. It is a sixth staple food crop next to rice, wheat, maize, finger millet, and barley in term of cultivation area (10296 ha), production (11472 mt) and yield (1114 kg ha-1) in Nepal (MoAD, 2019) It is considered as a pseudo-cereal, poor man’s crop, and underexploited or neglected crops, occupying major place for Nepalese agriculture system and contributing greatly in food and nutrition security of remote areas especially in high hilly regions (Baniya, 1995).It is the best crop in higher altitude in terms of adaptation to different climatic variables and fitted to different cropping patterns due to short duration (Joshi, 2008). The present study was undertaken in order to find out the resistant/tolerant buckwheat genotypes against major foliar diseases and the direct and indirect contributions of these traits toward yield
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